Telephone handset panel



FIG. 1 is a top, front, and left side perspective view of said telephone handset panel showing my new design, wherein the dotted line material is for reference purposes only and forms no part of the claimed invention;

FIG. 2 is a right side elevational view of my new design, wherein the dotted line material is for reference purposes only and forms no part of the claimed invention; and,

FIG. 3 is a rear elevational view thereof, wherein the dotted line material is for reference purposes only and forms no part of the claimed invention; 

The ornamental design for an telephone handset panel, as shown and described. 